Plow shank



FIG. 1 is a perspective view of a plow shank showing my new design;

FIG. 2 is an end elevational view thereof;

FIG. 3 is a fragmentary side elevational view of the upper portion thereof;

FIG. 4 is a sectional view thereof taken along lines 4--4 of FIG. 1;

FIG. 5 is a sectional view thereof taken along lines 5--5 of FIG. 1;

FIG. 6 is a sectional view thereof taken along lines 6--6 in FIG. 1;

FIG. 7 is a sectional view thereof taken along lines 7--7 in FIG. 1;

FIG. 8 is a fragmentary end elevational view thereof looking in the direction of arrow 8 in FIG. 1;

FIG. 9 is a fragmentary sectional view thereof taken along lines 9--9 in FIG. 3; and

FIG. 10 is a sectional view thereof taken along lines 10--10 in FIG. 1. 

The ornamental design for a plow shank, substantially as shown and described. 